GW-944 by Zhiyi Specialty Chemicals is Poly[[6-[(1,1,3,3,-tetramethylbutyl)amino]-s-triazine-2,4-diyl][2,2,6,6-tetramethyl-4-piperidyl)imino]]hexamethylylene[2,2,6,6-tetramethyl-4-piperidyl)imino]]. Acts as a polymeric hindered amine light stabilizer. Offers very good protection against ultraviolet degradation and resistance extraction. Provides low volatility and ease of compatibility with other stabilizers. GW-944 is used in thick cross sections specifically polyethylene applications and in thin articles like fibers as well as films.